Source Code Cross Referenced for NonPaddingWrapperStyleSheet.java in  » Report » pentaho-report » org » jfree » report » layout » style » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Report » pentaho report » org.jfree.report.layout.style 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


01:        /**
02:         * ===========================================
03:         * JFreeReport : a free Java reporting library
04:         * ===========================================
05:         *
06:         * Project Info:  http://reporting.pentaho.org/
07:         *
08:         * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
09:         *
10:         * This library is free software; you can redistribute it and/or modify it under the terms
11:         * of the GNU Lesser General Public License as published by the Free Software Foundation;
12:         * either version 2.1 of the License, or (at your option) any later version.
13:         *
14:         * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
15:         * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16:         * See the GNU Lesser General Public License for more details.
17:         *
18:         * You should have received a copy of the GNU Lesser General Public License along with this
19:         * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20:         * Boston, MA 02111-1307, USA.
21:         *
22:         * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
23:         * in the United States and other countries.]
24:         *
25:         * ------------
26:         * NonPaddingWrapperStyleSheet.java
27:         * ------------
28:         * (C) Copyright 2001-2007, by Object Refinery Ltd, Pentaho Corporation and Contributors.
29:         */package org.jfree.report.layout.style;
30:
31:        import org.jfree.report.style.AbstractStyleSheet;
32:        import org.jfree.report.style.ElementStyleKeys;
33:        import org.jfree.report.style.StyleKey;
34:        import org.jfree.report.style.StyleSheet;
35:        import org.jfree.report.util.InstanceID;
36:
37:        /**
38:         * An element, that does not have the dynamic flag set to true, is limited to its minimum size and cannot
39:         * grow any larger than that. This stylesheet simply enforces this policy by redefining the maximum size so that the
40:         * maximum size is equal to the minimum size.
41:         *
42:         * @author Thomas Morgner
43:         */
44:        public class NonPaddingWrapperStyleSheet extends AbstractStyleSheet {
45:            private StyleSheet parent;
46:            private static final Float ZERO = new Float(0);
47:
48:            public NonPaddingWrapperStyleSheet() {
49:            }
50:
51:            public void setParent(final StyleSheet parent) {
52:                this .parent = parent;
53:            }
54:
55:            public StyleSheet getParent() {
56:                return parent;
57:            }
58:
59:            public Object getStyleProperty(final StyleKey key,
60:                    final Object defaultValue) {
61:                if (ElementStyleKeys.PADDING_TOP.equals(key)) {
62:                    return ZERO;
63:                }
64:                if (ElementStyleKeys.PADDING_LEFT.equals(key)) {
65:                    return ZERO;
66:                }
67:                if (ElementStyleKeys.PADDING_BOTTOM.equals(key)) {
68:                    return ZERO;
69:                }
70:                if (ElementStyleKeys.PADDING_RIGHT.equals(key)) {
71:                    return ZERO;
72:                }
73:                return parent.getStyleProperty(key, defaultValue);
74:            }
75:
76:            public Object[] toArray(final StyleKey[] keys) {
77:                final Object[] objects = (Object[]) parent.toArray(keys)
78:                        .clone();
79:                objects[ElementStyleKeys.PADDING_TOP.getIdentifier()] = ZERO;
80:                objects[ElementStyleKeys.PADDING_LEFT.getIdentifier()] = ZERO;
81:                objects[ElementStyleKeys.PADDING_BOTTOM.getIdentifier()] = ZERO;
82:                objects[ElementStyleKeys.PADDING_RIGHT.getIdentifier()] = ZERO;
83:                return objects;
84:            }
85:
86:            public InstanceID getId() {
87:                return parent.getId();
88:            }
89:
90:            public long getChangeTracker() {
91:                return parent.getChangeTracker();
92:            }
93:        }
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